Njengengxenye ebalulekile yemishini ye-automation, ukuthembeka kanye nokuqina kohlelo lokulawula ukunyakaza kuthinta ngqo ukusebenza kwemishini, kanti esinye sezinto eziphambili ezithinta ukwethembeka kwayo nokuqina kwayo kungukuphazamiseka kwayo. Ngakho-ke, ukuthi ungayixazulula kanjani ngempumelelo inkinga yokuphazanyiswa yinkinga engeke inganakwa ekwakhiweni kohlelo lokulawula ukunyakaza.
1. Isimo sokuphazanyiswa
Kuhlelo lokusebenza, izehlakalo ezilandelanayo ezingenhla zivame ukuhlangana:
1. Lapho uhlelo lokulawula lungakhiphi umyalo, imoto ijikeleza ngokungafanele.
2. Lapho imoto ye-servo iyeka ukuhamba futhi isilawuli se-motion sifunda isikhundla semoto, inani elifunwe libuyele emuva nge-polylectric encoder ekugcineni kwemoto igxuma ngezikhathi ezithile.
3. Lapho i-servo motor isebenza, inani le-encoder elifundwayo alifani nenani lomyalo okhishwe, futhi inani lephutha alihleliwe futhi lingajwayelekile.
4. Lapho imoto ye-servo motor isebenza, umehluko phakathi kwenani le-encoder efundwayo nenani elikhishwe kulivezeli elizinzile noma izinguquko ngezikhathi ezithile.
I-5. Imishini ehlanganyela ukunikezwa okufanayo kwamandla ngohlelo lwe-AC Servo (njengokubonisa, njll.) Akusebenzi kahle.
2. Ukuhlaziywa komthombo wokuphazamiseka
Kunezinhlobo ezimbili eziyinhloko zeziteshi eziphazamisa ukungena ohlelweni lokulawula ukunyakaza:
1, ukuphazamiseka kwesiteshi sokuhambisa, ukungena ngaphakathi kungena ngesiteshi sokufaka sesiginali kanye nesiteshi sokukhipha esixhumeke ohlelweni;
2, Ukuphazanyiswa Kwesistimu Yokunikeza Amandla.
Isiteshi Sokuhambisa Isiginali yindlela yohlelo lokulawula noma umshayeli ukuthola amasiginali empendulo futhi uthumele amasiginali okulawula, ngoba ukushintshwa kwegagasi futhi kuphazanyiswe kulayini wokuhambisa, inqubo yokudlulisela, ekuphazanyisweni kwesikhathi eside kuyisici esikhulu.
Kukhona ukumelana kwangaphakathi kunoma yikuphi ukulethwa kwamandla nemigqa yokuhambisa. Lokhu kumelana kwangaphakathi okubangela ukuphazanyiswa komsindo kokuhlinzekwa kwamandla. Uma kungekho ukumelana kwangaphakathi, noma ngabe yiluphi uhlobo lomsindo oludonswa amandla okunikezwa kwamandla okufushane, akukho voltage yokuphazamisayo ezosungulwa kulayini. , Umshayeli wesistimu ye-AC Servo uqobo futhi ungumthombo oqinile wokuphazanyiswa, kungaphazamisa eminye imishini ngokuhlinzekwa kwamandla.
Uhlelo lokulawula ukunyakaza
Ezintathu, izindlela zokulwa nokuphazanyiswa
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(1) Sebenzisa ukunikezwa kwamandla ngamaqembu, ngokwesibonelo, hlukanisa amandla we-drive wemoto kusuka kumandla okulawula ukuvikela ukuphazanyiswa phakathi kwamadivayisi.
(2) Ukusetshenziswa kokuhlunga komsindo nakho kungacindezela ngempumelelo ukuphazamiseka kwe-AC Servo Drives kweminye imishini. Lesi sinyathelo singacindezela ngempumelelo izehlakalo ezichazwe ngenhla.
(3) I-solate transformer yamukelwa. Uma kucatshangelwa ukuthi umsindo ovame ukwenzeka kudlula ku-transformer ikakhulukazi hhayi ngokuhlangana kwamakhompiyutha okuqala kanye nama-compasitic wesibili, kepha izinhlangothi zama-compasitic zamabanga aphansi zihlukaniswa ngamakhono avikelekile ukumelana nekhono lokuvimbela imodi.
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(1) Izindlela zokuhlangana ze-PhotoElectric zokuhlangane
Enqubweni yokudluliselwa okude okude, ukusetshenziswa kwama-photocouplers kunganciphisa ukuxhumana phakathi kohlelo lokulawula kanye nesiteshi sokufaka, isiteshi sokukhipha, kanye neziteshi zokufaka nezokufaka ze-servo drive. Uma ukuhlukaniswa kwe-photoelectric kungasetshenziswa emjikelezweni, isibonakaliso sokuphazanyiswa kwangaphandle se-SPIKE sizongena ohlelweni noma ngokuqondile faka idivaysi ye-servo drive, ebangela umkhathi wokuphazamiseka wokuqala.
Inzuzo eyinhloko yokuhlangana kwe-PhotoElectric ukuthi ingacindezela ngempumelelo ama-spikes kanye nokuphazamiseka kwemisindo ehlukahlukene,
Ngakho-ke, isilinganiso se-Signal-to-Noise enqubweni yokuhambisa isiginali sathuthukiswa kakhulu. Isizathu esiyinhloko yilezi: Yize umsindo wokuphazamiseka une-amplitude yamandla kagesi, amandla ayo mancane futhi angakwazi kuphela amanje abuthakathaka. I-Diode ekhipha ukukhanya kwengxenye ye-PhotoCoupler isebenza ngaphansi kwesimo samanje, kanye ne-General Comverral yamanje iyi-10-16mA, ngakho-ke noma ngabe kukhona ukuphazamiseka okuphezulu, kuyacindezelwa ngoba akunakukwazi ukuhlinzeka ngamanje.
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Isiginali izothinteka ngezinto zokuphazamiseka njengensimu kagesi, amandla kazibuthe kanye nokuvikelwa komhlaba ngesikhathi sokudluliselwa. Ukusetshenziswa kocingo oluvikelekile oluvikelekile kunganciphisa ukuphazamiseka kwensimu kagesi.
Uma kuqhathaniswa nekhebula le-coaxial, ikhebula elisontekile linebhendi elivalekile lemvamisa, kepha linamandla aphezulu okuvimbela kanye nokumelana okuqinile kumsindo wemodi ejwayelekile, engakhansele amandla wokungeniswa kwe-electromagnetic.
Ngaphezu kwalokho, kwinqubo yokudluliselwa ibangana elide, ukuhanjiswa kwesiginali okuhlukile kuvame ukusetshenziswa ukuthuthukisa ukusebenza kwe-anti-antful. Ukusetshenziswa kocingo okusontekile okusontekile-okuvinjelwe kokudluliselwa ngocingo olude kungacindezela ngempumelelo umhlangano wesibili, wesithathu, kanye ne-fenomena yokuphazamiseka kwesine.
(3) umhlabathi
Isisekelo singasusa i-Noise Voltage ekhiqizwe lapho kugeleza kwamanje ngocingo lomhlabathi. Ngaphezu kokuxhuma uhlelo lwe-servo emhlabathini, ucingo oluvikelekile lwesiginali kufanele futhi lube khona ukuvikela ukungeniswa kwe-electrostatic kanye nokuphazanyiswa kwe-electromagnetic. Uma kungahleleki kahle, kungenzeka ukuthi into yesibili yokuphazamiseka.
Isikhathi sePosi: Mar-06-2021